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Filter: adding explicit route-block type

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This is a split-commit of the neighboring aggregator branch
with a bit improved lvalue handling, to have easier merge into v3.
This commit is contained in:
Maria Matejka
2023-10-30 09:49:20 +01:00
parent de70474fed
commit f0187d713c
3 changed files with 55 additions and 0 deletions
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26
filter/data.c
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@@ -58,6 +58,7 @@ static const char * const f_type_str[] = {
[T_RD] = "rd",
[T_ROUTE] = "route",
[T_ROUTES_BLOCK] = "block of routes",
};
const char *
@@ -80,6 +81,7 @@ f_type_element_type(enum f_type t)
case T_CLIST: return T_PAIR;
case T_ECLIST: return T_EC;
case T_LCLIST: return T_LC;
case T_ROUTES_BLOCK: return T_ROUTE;
default: return T_VOID;
};
}
@@ -209,6 +211,7 @@ val_compare(const struct f_val *v1, const struct f_val *v2)
case T_STRING:
return strcmp(v1->val.s, v2->val.s);
case T_ROUTE:
case T_ROUTES_BLOCK:
default:
return F_CMP_ERROR;
}
@@ -301,6 +304,15 @@ val_same(const struct f_val *v1, const struct f_val *v2)
return trie_same(v1->val.ti, v2->val.ti);
case T_ROUTE:
return rte_same(v1->val.rte, v2->val.rte);
case T_ROUTES_BLOCK:
for (
rte *r1 = v1->val.rte, *r2 = v2->val.rte;
r1 || r2;
r1 = r1->next, r2 = r2->next
)
if (!r1 || !r2 || !rte_same(r1, r2))
return 0;
return 1;
default:
bug("Invalid type in val_same(): %x", v1->type);
}
@@ -589,6 +601,19 @@ rte_format(const struct rte *rte, buffer *buf)
buffer_puts(buf, "[No route]");
}
static void
rte_block_format(const struct rte *rte, buffer *buf)
{
buffer_print(buf, "Block of routes:");
for (int i = 0; rte; rte = rte->next, i++)
{
buffer_print(buf, "%s%d: ", i ? "; " : " ", i);
rte_format(rte, buf);
}
}
/*
* val_format - format filter value
*/
@@ -619,6 +644,7 @@ val_format(const struct f_val *v, buffer *buf)
case T_LCLIST: lc_set_format(v->val.ad, -1, buf2, 1000); buffer_print(buf, "(lclist %s)", buf2); return;
case T_PATH_MASK: pm_format(v->val.path_mask, buf); return;
case T_ROUTE: rte_format(v->val.rte, buf); return;
case T_ROUTES_BLOCK: rte_block_format(v->val.rte, buf); return;
default: buffer_print(buf, "[unknown type %x]", v->type); return;
}
}